TRIAC Control Circuit Diagram: A TRIAC Control Circuit Diagram that allows approximately 180° of phase control is shown in Fig. 19-27(a). The waveforms in Fig. 19-27(b) illustrate the circuit operation.…
Linear and Switching Voltage Regulators Articles: Transistor Series Voltage Regulator: When a low power zener diode is used in the simple Transistor Series Voltage Regulator, the load current is limited…
Signal Generator in Electronic Devices Articles: RC Phase Shift Oscillator Circuit Diagram: Figure 16-1 shows the RC Phase Shift Oscillator Circuit Diagram, which consists of an inverting amplifier and an…
AC Analysis of FET Circuits Articles: Coupling Capacitors: Coupling Capacitors are required at a circuit input to couple a signal source to the circuit without affecting the bias conditions. Similarly,…
BJT Specifications Articles: Transistor Datasheet: To select a transistor for a particular application, the Transistor Datasheet provided by device manufacturers must be consulted. Most data sheets start off with the…
AC Analysis of BJT Circuits Articles: Coupling and Bypassing Capacitors: Coupling Capacitors – To use a transistor circuit to amplify or otherwise process an ac signal, the signal source must…
Power Supply Decoupling: Power Supply Decoupling - High-power amplifiers require high supply current levels, so unregulated power supplies are often employed to avoid the power wasted in a series regulator.…
Output Current Limiting: Because the output transistors can be destroyed by excessive current flow, output current limiting circuits are often included in a power amplifier. Figure 18-27 shows the typical…